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Tue, 10 Feb 2026 04:54:00 -0800 (PST) Received: from hu-swatagar-hyd.qualcomm.com ([202.46.23.25]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2a951a64990sm185356375ad.13.2026.02.10.04.53.57 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 10 Feb 2026 04:54:00 -0800 (PST) From: Swati Agarwal To: Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Swati Agarwal Subject: [PATCH v2 1/2] arm64: dts: qcom: lemans-evk: Enable GPIO expander interrupt for Lemans EVK Date: Tue, 10 Feb 2026 18:23:47 +0530 Message-Id: <20260210125348.2800846-2-swati.agarwal@oss.qualcomm.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260210125348.2800846-1-swati.agarwal@oss.qualcomm.com> References: <20260210125348.2800846-1-swati.agarwal@oss.qualcomm.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMjEwMDEwOCBTYWx0ZWRfX08l56tAJquFg vPINHGH3iZd2kbaw2aN99pwYBd49gEMJjKiFsnrSxxfqzuUsBr+nARCUhlajugOP/7U1qVZx4Gz 7z7m26hjg/tqxaG/LCDA6zlZ03pOjHc40aTtboq14f9vidqHk1AtBaFk9FF1MaauyLsZwd0J2M8 V3wJwyaOyHTAV0BdVRk0TKXI/onDuDwfJt4kCOzRag1gSYglIxfqFggwNRiFarqfQCAMYnicvD6 5F/8s+RkazCvyXkdBZcv7jvc/0x8sXZJS2BKWlDrGIM2sYy1Hd183pSre2TqzrGD7V1/VP75BOo fWhiLfKLhA8+PoayQIx0D3sBwriPX6ar4xA4utixKF167YxOKlHleiYkJ4WBaj6f7CiCFR8Wpli w0cDLa27mefTh5U6NY7ogCLaNxTNYW/svZCT/PSZD3wHUh7Absmo04q+KaZ0132YdGCOzQXU9jb xLeUEh6LyQNxM+uNSbw== X-Authority-Analysis: v=2.4 cv=P+Q3RyAu c=1 sm=1 tr=0 ts=698b2a6a cx=c_pps a=cmESyDAEBpBGqyK7t0alAg==:117 a=ZePRamnt/+rB5gQjfz0u9A==:17 a=HzLeVaNsDn8A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=Mpw57Om8IfrbqaoTuvik:22 a=GgsMoib0sEa3-_RKJdDe:22 a=EUspDBNiAAAA:8 a=0TxLVs8cyrv-jLPu79IA:9 a=1OuFwYUASf3TG4hYMiVC:22 X-Proofpoint-ORIG-GUID: twBySl0Ays49TulEckyarBM80913aX3e X-Proofpoint-GUID: twBySl0Ays49TulEckyarBM80913aX3e X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-02-10_01,2026-02-10_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 bulkscore=0 priorityscore=1501 impostorscore=0 suspectscore=0 clxscore=1015 lowpriorityscore=0 malwarescore=0 adultscore=0 phishscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2601150000 definitions=main-2602100108 Content-Type: text/plain; charset="utf-8" Enable PCA9538 expander as interrupt controller on Lemans EVK and configure the corresponding TLMM pins via pinctrl to operate as GPIO inputs with internal pull-ups. Signed-off-by: Swati Agarwal Reviewed-by: Dmitry Baryshkov --- arch/arm64/boot/dts/qcom/lemans-evk.dts | 44 +++++++++++++++++++++++++ 1 file changed, 44 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/lemans-evk.dts b/arch/arm64/boot/dts/= qcom/lemans-evk.dts index a549f7fe53a1..265bdad10ae4 100644 --- a/arch/arm64/boot/dts/qcom/lemans-evk.dts +++ b/arch/arm64/boot/dts/qcom/lemans-evk.dts @@ -628,6 +628,11 @@ expander0: gpio@38 { reg =3D <0x38>; #gpio-cells =3D <2>; gpio-controller; + #interrupt-cells =3D <2>; + interrupt-controller; + interrupts-extended =3D <&tlmm 138 IRQ_TYPE_LEVEL_LOW>; + pinctrl-0 =3D <&expander0_int>; + pinctrl-names =3D "default"; }; =20 expander1: gpio@39 { @@ -635,6 +640,11 @@ expander1: gpio@39 { reg =3D <0x39>; #gpio-cells =3D <2>; gpio-controller; + #interrupt-cells =3D <2>; + interrupt-controller; + interrupts-extended =3D <&tlmm 19 IRQ_TYPE_LEVEL_LOW>; + pinctrl-0 =3D <&expander1_int>; + pinctrl-names =3D "default"; }; =20 expander2: gpio@3a { @@ -642,6 +652,11 @@ expander2: gpio@3a { reg =3D <0x3a>; #gpio-cells =3D <2>; gpio-controller; + #interrupt-cells =3D <2>; + interrupt-controller; + interrupts-extended =3D <&tlmm 139 IRQ_TYPE_LEVEL_LOW>; + pinctrl-0 =3D <&expander2_int>; + pinctrl-names =3D "default"; }; =20 expander3: gpio@3b { @@ -649,6 +664,11 @@ expander3: gpio@3b { reg =3D <0x3b>; #gpio-cells =3D <2>; gpio-controller; + #interrupt-cells =3D <2>; + interrupt-controller; + interrupts-extended =3D <&tlmm 39 IRQ_TYPE_LEVEL_LOW>; + pinctrl-0 =3D <&expander3_int>; + pinctrl-names =3D "default"; }; =20 eeprom@50 { @@ -894,6 +914,30 @@ ethernet0_mdio: ethernet0-mdio-pins { }; }; =20 + expander0_int: expander0-int-state { + pins =3D "gpio138"; + function =3D "gpio"; + bias-pull-up; + }; + + expander1_int: expander1-int-state { + pins =3D "gpio19"; + function =3D "gpio"; + bias-pull-up; + }; + + expander2_int: expander2-int-state { + pins =3D "gpio139"; + function =3D "gpio"; + bias-pull-up; + }; + + expander3_int: expander3-int-state { + pins =3D "gpio39"; + function =3D "gpio"; + bias-pull-up; + }; + pcie0_default_state: pcie0-default-state { clkreq-pins { pins =3D "gpio1"; --=20 2.34.1